When to Plant Scabiosa in Mill Creek, WA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when you can plant scabiosa is to refer to the USDA zone info for Mill Creek.


Planting Calendar for Scabiosa

Frost tolerance for scabiosa: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Scabiosa are moderately cold tolerant which tells us that you can start planting them earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scabiosa
Possibly ok, but a risky time to plant scabiosa
Probably not a good time to plant scabiosa

The earliest that you can plant scabiosa in Mill Creek is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant scabiosa and expect a good harvest is probably September. You probably don't want to wait any later than that or else your scabiosa may not have a chance to grow to maturity. Starting your scabiosa indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Mill Creek the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Mill Creek may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Mill Creek last frost occurs after March 15 so just be sure to be ready to cover your scabiosa if you have a late frost.

USDA Zone Info for Mill Creek

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Mill Creek

You may be interested in your other planting guides for Mill Creek.